In what may be Mission: Impossible, Mick Jagger has hired a top public-relations man to try to rehabilitate his image as a sex-crazed, skirt-chasing wildman.

It's believed the Rolling Stones frontman wants to get some respect in order to bolster his chances of being knighted by the queen. 

Jagger hired top British spin doctor David Rigg to prove to the world he's a gentleman and loving dad, not a relentless bed-hopper. 

Rigg will try to downplay Mick's well-publicized romps with girls young enough to be his daughter, as well as his wild booze-fueled parties. 

Instead, Jagger will begin to attend charity lunches, family events and retire earlier at night. 

Another reason for the new image is Mick, who be 60 next year, is worried he'll be remembered only as a sad old rocker who didn't know when to quit acting like an oversexed teen-ager. 

The Stones recently kicked off a world tour that will hit Manhattan next month.

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